Run results for: Array creation types

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:125.0) Gecko/20100101 Firefox/125.0

Browser: Firefox 125

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

Sized init

432K/s

Empty init

367K/s

View exact numbers

Test name	Executions per second
✓ Sized init	432,382 Ops/sec
Empty init	367,080 Ops/sec

Script Preparation code:

var length = 1000

Tests:

Empty init
var array = []; for (var index = 0; index < length; index++){ array[index] = index; }
Sized init
var array = new Array(length); for (var index = 0; index < length; index++){ array[index] = index; }